Burns, ChemicalEsophageal StenosisAcetic AcidCorrosionLyeEsophagusTrapidilDilatationEsophagoscopyUpper Gastrointestinal TractEsophageal PerforationAcidsEsophageal DiseasesIndoleacetic AcidsMaterials TestingAcetobacterNigeriaAcetobacteraceaeAcetatesXanthonesRetrospective StudiesTime FactorsPlant Growth RegulatorsHydroxyindoleacetic AcidNaphthaleneacetic AcidsTreatment OutcomeGluconacetobacterFermentationGluconobacter2,4-Dichlorophenoxyacetic AcidXanthenesPlant RootsZygosaccharomycesHydrogen-Ion ConcentrationPhthalimidesChromatography, High Pressure Liquid